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149860424 = 2372431887
BaseRepresentation
bin10001110111010…
…11000001001000
3101102222200212002
420323223001020
5301331013144
622512010132
73466535600
oct1073530110
9342880762
10149860424
117765739a
1242230948
132508050c
1415c8dc00
15d25314e
hex8eeb048

149860424 has 48 divisors (see below), whose sum is σ = 327991680. Its totient is φ = 64004640.

The previous prime is 149860421. The next prime is 149860427. The reversal of 149860424 is 424068941.

It is an interprime number because it is at equal distance from previous prime (149860421) and next prime (149860427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149860421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168509 + ... + 169395.

It is an arithmetic number, because the mean of its divisors is an integer number (6833160).

Almost surely, 2149860424 is an apocalyptic number.

149860424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149860424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163995840).

149860424 is an abundant number, since it is smaller than the sum of its proper divisors (178131256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149860424 is a wasteful number, since it uses less digits than its factorization.

149860424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 149860424 is about 12241.7492214144. The cubic root of 149860424 is about 531.1644316346.

The spelling of 149860424 in words is "one hundred forty-nine million, eight hundred sixty thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 431 862 887 1724 1774 3017 3448 3548 6034 6209 7096 12068 12418 21119 24136 24836 42238 43463 49672 84476 86926 168952 173852 347704 382297 764594 1529188 2676079 3058376 5352158 10704316 18732553 21408632 37465106 74930212 149860424